Golf putting training aid



FIG. 1 is a perspective view of a golf putting training aid, the broken line showing of a golf club head is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a front elevational view of the golf putting training aid;

FIG. 3 is a top plan view of the golf putting training aid, the undisclosed opposite side being a mirror image; and,

FIG. 4 is a left side elevational view of the golf putting training aid, the undisclosed opposite side being a mirror image. 

The ornamental design for a golf putting training aid, as shown and described. 